81236610

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{109}}^1$

素因数の和:162

約数の個数: 216

約数和(自身を含む): 268493940

約数和(自身を除く): 187257330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 49, 63, 65, 70, 78, 90, 91, 98, 105, 109, 117, 126, 130, 147, 169, 182, 195, 210, 218, 234, 245, 273, 294, 315, 327, 338, 390, 441, 455, 490, 507, 545, 546, 585, 630, 637, 654, 735, 763, 819, 845, 882, 910, 981, 1014, 1090, 1170, 1183, 1274, 1365, 1417, 1470, 1521, 1526, 1635, 1638, 1690, 1911, 1962, 2205, 2289, 2366, 2535, 2730, 2834, 3042, 3185, 3270, 3549, 3815, 3822, 4095, 4251, 4410, 4578, 4905, 5070, 5341, 5733, 5915, 6370, 6867, 7085, 7098, 7605, 7630, 8190, 8281, 8502, 9555, 9810, 9919, 10647, 10682, 11445, 11466, 11830, 12753, 13734, 14170, 15210, 16023, 16562, 17745, 18421, 19110, 19838, 21255, 21294, 22890, 24843, 25506, 26705, 28665, 29757, 32046, 34335, 35490, 36842, 41405, 42510, 48069, 49595, 49686, 53235, 53410, 55263, 57330, 59514, 63765, 68670, 69433, 74529, 80115, 82810, 89271, 92105, 96138, 99190, 106470, 110526, 124215, 127530, 128947, 138866, 148785, 149058, 160230, 165789, 178542, 184210, 208299, 240345, 248430, 257894, 276315, 297570, 331578, 347165, 372645, 386841, 416598, 446355, 480690, 552630, 624897, 644735, 694330, 745290, 773682, 828945, 892710, 902629, 1041495, 1160523, 1249794, 1289470, 1657890, 1805258, 1934205, 2082990, 2321046, 2707887, 3124485, 3868410, 4513145, 5415774, 5802615, 6248970, 8123661, 9026290, 11605230, 13539435, 16247322, 27078870, 40618305, 81236610]

約数ペア:

[(1, 81236610), (2, 40618305), (3, 27078870), (5, 16247322), (6, 13539435), (7, 11605230), (9, 9026290), (10, 8123661), (13, 6248970), (14, 5802615), (15, 5415774), (18, 4513145), (21, 3868410), (26, 3124485), (30, 2707887), (35, 2321046), (39, 2082990), (42, 1934205), (45, 1805258), (49, 1657890), (63, 1289470), (65, 1249794), (70, 1160523), (78, 1041495), (90, 902629), (91, 892710), (98, 828945), (105, 773682), (109, 745290), (117, 694330), (126, 644735), (130, 624897), (147, 552630), (169, 480690), (182, 446355), (195, 416598), (210, 386841), (218, 372645), (234, 347165), (245, 331578), (273, 297570), (294, 276315), (315, 257894), (327, 248430), (338, 240345), (390, 208299), (441, 184210), (455, 178542), (490, 165789), (507, 160230), (545, 149058), (546, 148785), (585, 138866), (630, 128947), (637, 127530), (654, 124215), (735, 110526), (763, 106470), (819, 99190), (845, 96138), (882, 92105), (910, 89271), (981, 82810), (1014, 80115), (1090, 74529), (1170, 69433), (1183, 68670), (1274, 63765), (1365, 59514), (1417, 57330), (1470, 55263), (1521, 53410), (1526, 53235), (1635, 49686), (1638, 49595), (1690, 48069), (1911, 42510), (1962, 41405), (2205, 36842), (2289, 35490), (2366, 34335), (2535, 32046), (2730, 29757), (2834, 28665), (3042, 26705), (3185, 25506), (3270, 24843), (3549, 22890), (3815, 21294), (3822, 21255), (4095, 19838), (4251, 19110), (4410, 18421), (4578, 17745), (4905, 16562), (5070, 16023), (5341, 15210), (5733, 14170), (5915, 13734), (6370, 12753), (6867, 11830), (7085, 11466), (7098, 11445), (7605, 10682), (7630, 10647), (8190, 9919), (8281, 9810), (8502, 9555)]